I am new to making jewellery and so far I have had great success, how ever a friend asked me to try and repair her earings as the post fell off. We are unsure of metal and stone as they were a gift and are unhallmarked. I was going to try and solder on a silver post. But worried about the stone etc. Will I just cover it in thermal gel before heating, also is it safe to pickle or tumble?


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